Replacement flat roof insulation cover

A roof replacement structure for a building having a substantially flat roof at about right angles to the building sidewalls comprising:

• (a) contiguous panels of rigid insulation applied over the flat roof and substantially covering the roof exposed flat surfaces;
• (b) a flexible, water impervious membrane fastened over the panels of rigid insulation and the roof with a plurality of mechanical fasteners, the membrane having a plurality of extensions covering the mechanical fasteners, the extensions overlapping the mechanical fasteners and being heat sealed to the membrane;
• (c) a periphery of the membrane overlapping the upper portion of the building sidewalls and mechanically fastened thereto with a termination insert bar having an inboard and outboard side;
• and
• (d) the termination insert bar having a first and second leg on the outboard side holding a roofing member insert and a first and second nose on the inboard side, at least one nose in contact with the periphery of the membrane overlapping the sidewall.